05whitbd

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About 05whitbd

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  1. Currently building an M4 DMR and its is averaging 405 fps is there any allowance in the 400fps limit or is that the complete maximum if so would using higher weight bbs bring the fps down? also, on the website it states they must be locked to semi auto, does this have to be done internally or can I lock the switch externally by either removing the selector or putting a small bolt in to stop the selector moving. thanks